| Value | Category | Cases | |
|---|---|---|---|
| 1 | <1 year | 12 |
23.1%
|
| 2 | 1-5 years | 9 |
17.3%
|
| 3 | 5-10 years | 15 |
28.8%
|
| 4 | >10 years | 16 |
30.8%
|
| 9 | Missing | 41 | |
| Sysmiss | 19004 |